From: Peter Chiu Date: Thu, 5 May 2022 08:25:54 +0000 (+0800) Subject: mt76: mt7915: limit minimum twt duration X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=4ebcff04d3db076c054938ea2b6bc8057671a0d7;p=linux.git mt76: mt7915: limit minimum twt duration The minimum twt duration supported by mt7915 is 64 according to hardware design. Reply station with TWT_SETUP_CMD_DICTATE if min_twt_dur smaller than 64. Signed-off-by: Peter Chiu Signed-off-by: Felix Fietkau --- diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c index bc6e3c8808696..7b04fd87e37b0 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c @@ -2654,6 +2654,12 @@ void mt7915_mac_add_twt_setup(struct ieee80211_hw *hw, if (hweight8(msta->twt.flowid_mask) == ARRAY_SIZE(msta->twt.flow)) goto unlock; + if (twt_agrt->min_twt_dur < MT7915_MIN_TWT_DUR) { + setup_cmd = TWT_SETUP_CMD_DICTATE; + twt_agrt->min_twt_dur = MT7915_MIN_TWT_DUR; + goto unlock; + } + flowid = ffs(~msta->twt.flowid_mask) - 1; le16p_replace_bits(&twt_agrt->req_type, flowid, IEEE80211_TWT_REQTYPE_FLOWID); diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h index 0f51d7657caf4..0219f941521b9 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h @@ -66,6 +66,7 @@ #define MT7915_MAX_TWT_AGRT 16 #define MT7915_MAX_STA_TWT_AGRT 8 +#define MT7915_MIN_TWT_DUR 64 #define MT7915_MAX_QUEUE (__MT_RXQ_MAX + __MT_MCUQ_MAX + 2) struct mt7915_vif;